Chapter 2
• This presentation covers the following:
– Various hardware to help people with physical
difficulties use a computer.
– Various software to help people with physical
difficulties use a computer.
• Investigate various hardware devices and
software for different types of disability.
• Create a presentation which looks at each
device and software and explains how it is
used and how it aids the disabled user.
• There are two main types of disability that
concern those who use a computer.
– Visually Impaired
– Motor Impaired
• Visually impaired people can suffer from:
– Complete loss of sight in one or both eyes
– Partial loss of sight
• There are various devices that can help people
who are visually impaired.
• Investigate the following devices:
– Braille Keyboard
– Microphone
– Loudspeaker
– Braille Printer
• For each device, explain how it is used and
how it benefits the user.
• Investigate the following devices:
– Mouth Stick
– Puff Stick
– Tongue activated joystick
– Eye-typer
– Foot Mouse
• For each device, explain how it is used and
how it benefits the user.
• Can you find any other example hardware that
can be used by Visually Impaired users of ICT?
• Can you find any other example hardware that
can be used by Motor Impaired users of ICT?
• Investigate the following types of software:
–
–
–
–
–
–
Text-to-Speech system
Speech-to-Text system
Auditory Feedback system
Screen magnifier
Predictive text
Sticky Keys
• For each software, explain how it is used and how it benefits
the user.
• Also, provide an example brand name for the software you
find.
• A visually impaired university student needs to
buy a computer to help her with her essays.
• Explain what types of hardware and software
she could use to help her write her essay.
• A person who was involved in a car accident has
become paralysed from the neck down.
• He want to start writing a blog about his experiences
and how he has coped with his disability to help
other people in a similar position to himself.
• Explain what types of software and hardware he
could use to help him write his blog and publish it
online.
• Describe how voice recognition works.
• Devices and software that help physically
disabled users interact with ICT can also be
used to help elderly people interact with ICT.
Discuss this statement.